This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

The "Mona Lisa" of funerary art.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

Pilgrimage site for star-crossed lovers.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

The celebrated eyesore created by starry-eyed sweethearts.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

What looks like a normal building is really a hollow facade hiding a subway vent.

This bridge was constructed from the rubble of the infamous Bastille.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Paris' linguistic guide to the international language of, yes, love.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

One of the most photographed locations in the entire city.

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

Structure built from the skulls of vanquished foes.